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[Chemical Knowledge]：Production and manufacturing method and process of 2-ethyl butanol

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2-Ethylbutanol (2-Ethylbutanol) is an important organic chemical raw material, which is widely used in solvents, plasticizers, spices, pharmaceutical intermediates and other fields. The following is a common method for manufacturing 2-ethylbutanol:

1. raw materials preparation

The main raw materials for manufacturing 2-ethylbutanol are ethylene, carbon monoxide and hydrogen. Among them, ethylene can be produced by petroleum cracking or ethanol dehydration, and carbon monoxide and hydrogen can be obtained by water gas reaction.

2. synthesis reaction

1. Oxo synthesis: ethylene, carbon monoxide and hydrogen in accordance with a certain proportion into the carbonyl synthesis reactor, in the role of the catalyst under the carbonyl synthesis reaction, the generation of butyraldehyde.

2. hydroformylation reaction: butyraldehyde under the action of catalyst, with carbon monoxide and hydrogen hydroformylation reaction, the generation of 2-ethyl butyraldehyde.

3. Hydrogenation reaction: 2-ethylbutyraldehyde is hydrogenated under the action of a catalyst to generate the target product 2-ethylbutanol.

3. product separation and purification

After the reaction, 2-ethylbutanol is separated from the reaction mixture by distillation, extraction and other separation techniques, and purified to obtain a higher purity product.

The above is a common method for manufacturing 2-ethylbutanol, and the specific production process needs to optimize and adjust the parameters such as the ratio of raw materials, reaction conditions, separation and purification methods according to the actual situation to ensure the quality and yield of the product. At the same time, in order to ensure the safety and environmental protection of the production process, it is also necessary to strictly control and manage the production equipment, waste gas and wastewater treatment, etc.

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